Density results for Gabor systems associated with periodic subsets of the real line
Density results for Gabor systems associated with periodic subsets of the real line
复制标题
与实线周期子集相关的 Gabor 系统的密度结果
DOI:
10.1016/j.jat.2008.08.007
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发表时间:
2009-04-01
影响因子:
0.9
通讯作者:
Li, Yun-Zhang
中科院分区:
文献类型:
--
作者:
Gabardo, Jean-Pierre;Li, Yun-Zhang
The well-known density theorem for one-dimensional Gabor systems of the form {e(2 pi imbx) g(x - na)}(m,n is an element of Z), where g is an element of L-2(R), states that a necessary and sufficient condition for the existence of such a system whose linear span is dense in L-2(R), or which forms a frame for L-2(R), is that the density condition a b